</texcode>
(The CMYK color spec is the fall back color used on screen; one can preview separations in full Acrobat 7.)
=Transparent Colors=
Hans Hagen posted the following sample code for transparent colors on the mailing list on 2005-07-13.
<texcode>
\setupcolors[state=start]
\definecolor [luigi] [r=1,t=.5,a=1]
\definecolor [scarso] [b=1,t=.5,a=1]
\starttext
\startTEXpage
\blackrule[width=2cm,height=2cm,color=luigi]\hskip-1cm
\blackrule[width=2cm,height=2cm,color=scarso]
\stopTEXpage
\stoptext
</texcode>